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CVE-2025-24798— Meshtastic crashes via an unimplemented routing module reply

Quick assessment

Affected
meshtastic firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Meshtastic device firmware是Meshtastic开源的一种用于 Meshtastic 设备运行开源、离网、去中心化网状网络的固件。 Meshtastic device firmware 1.2.1版本至2.6.2之前版本存在安全漏洞，该漏洞源于路由模块处理包含want_response==true的数据包时可能导致崩溃。

CVSS 4.3 · Medium EPSS 0.41% · P33
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I. Basic Information for CVE-2025-24798

Vulnerability Information
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Vulnerability Title
Meshtastic crashes via an unimplemented routing module reply
Source: CVE Program / CVE List V5
Vulnerability Description
Meshtastic is an open source mesh networking solution. From 1.2.1 until 2.6.2, a packet sent to the routing module that contains want_response==true causes a crash. This can lead to a degradation of service for nodes within range of a malicious sender, or via MQTT if downlink is enabled. This vulnerability is fixed in 2.6.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Meshtastic device firmware 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Meshtastic device firmware是Meshtastic开源的一种用于 Meshtastic 设备运行开源、离网、去中心化网状网络的固件。 Meshtastic device firmware 1.2.1版本至2.6.2之前版本存在安全漏洞，该漏洞源于路由模块处理包含want_response==true的数据包时可能导致崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
meshtastic firmware >= 1.2.1, < 2.6.2 -

II. Public POCs for CVE-2025-24798

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III. Intelligence Information for CVE-2025-24798

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Vendor Advisories for CVE-2025-24798 (1)

IV. Related Vulnerabilities

Same product: firmware
Same vendor: meshtastic
Same weakness: CWE-617

V. Comments for CVE-2025-24798

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